mirror of
https://gitlab.com/qemu-project/openbios.git
synced 2024-02-13 08:34:06 +08:00
92e6599c92
Signed-off-by: Laurent Vivier <Laurent@vivier.eu> git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@602 f158a5a8-5612-0410-a976-696ce0be7e32
418 lines
7.0 KiB
Forth
418 lines
7.0 KiB
Forth
\ 7.6 Client Program Debugging command group
|
|
|
|
|
|
\ 7.6.1 Registers display
|
|
|
|
: ctrace ( -- )
|
|
;
|
|
|
|
: .registers ( -- )
|
|
;
|
|
|
|
: .fregisters ( -- )
|
|
;
|
|
|
|
\ to ( param [old-name< >] -- )
|
|
|
|
|
|
\ 7.6.2 Program download and execute
|
|
|
|
variable state-valid
|
|
0 state-valid !
|
|
|
|
variable file-size
|
|
|
|
: !load-size file-size ! ;
|
|
|
|
: load-size file-size @ ;
|
|
|
|
variable file-type
|
|
|
|
0 constant elf
|
|
1 constant bootinfo
|
|
2 constant xcoff
|
|
3 constant pe
|
|
|
|
\ Array indexes and values for e_type
|
|
|
|
d# 16 constant EI_NIDENT
|
|
|
|
0 constant EI_MAG0
|
|
h# 7f constant ELFMAG0
|
|
|
|
1 constant EI_MAG1
|
|
[CHAR] E constant ELFMAG1
|
|
|
|
2 constant EI_MAG2
|
|
[CHAR] L constant ELFMAG2
|
|
|
|
3 constant EI_MAG3
|
|
[CHAR] F constant ELFMAG3
|
|
|
|
4 constant EI_CLASS
|
|
0 constant ELFCLASSNONE
|
|
1 constant ELFCLASS32
|
|
2 constant ELFCLASS64
|
|
|
|
5 constant EI_DATA
|
|
0 constant ELFDATANONE
|
|
1 constant ELFDATA2LSB
|
|
2 constant ELFDATA2MSB
|
|
|
|
6 constant EI_VERSION
|
|
0 constant EV_NONE
|
|
1 constant EV_CURRENT
|
|
|
|
\ Values for e_type
|
|
|
|
0 constant ET_NONE
|
|
1 constant ET_REL
|
|
2 constant ET_EXEC
|
|
3 constant ET_DYN
|
|
4 constant ET_CORE
|
|
|
|
\ Values for e_machine
|
|
|
|
d# 2 constant EM_SPARC
|
|
d# 3 constant EM_386
|
|
d# 6 constant EM_486
|
|
d# 18 constant EM_SPARC32PLUS
|
|
d# 20 constant EM_PPC
|
|
d# 43 constant EM_SPARCV9
|
|
|
|
/l constant Elf32_Addr
|
|
/w constant Elf32_Half
|
|
/l constant Elf32_Off
|
|
/l constant Elf32_Sword
|
|
/l constant Elf32_Word
|
|
/l constant Elf32_Size
|
|
|
|
struct ( ELF header )
|
|
EI_NIDENT field >Elf32_Ehdr.e_ident ( File identification )
|
|
Elf32_Half field >Elf32_Ehdr.e_type ( File type )
|
|
Elf32_Half field >Elf32_Ehdr.e_machine ( Machine archicture )
|
|
Elf32_Word field >Elf32_Ehdr.e_version ( ELF format version )
|
|
Elf32_Addr field >Elf32_Ehdr.e_entry ( Entry point )
|
|
Elf32_Off field >Elf32_Ehdr.e_phoff ( Program header file offset )
|
|
Elf32_Off field >Elf32_Ehdr.e_shoff ( Section header file offset )
|
|
Elf32_Word field >Elf32_Ehdr.e_flags ( Architecture specific flags )
|
|
Elf32_Half field >Elf32_Ehdr.e_ehsize ( Size of ELF header in bytes )
|
|
Elf32_Half field >Elf32_Ehdr.e_phentsize ( Size of program header entries )
|
|
Elf32_Half field >Elf32_Ehdr.e_phnum ( Number of program header entry )
|
|
Elf32_Half field >Elf32_Ehdr.e_shentsize ( Size of section header entry )
|
|
Elf32_Half field >Elf32_Ehdr.e_shnum ( Number of section header entries )
|
|
Elf32_Half field >Elf32_Ehdr.e_shstrndx ( Section name strings section )
|
|
constant /Elf32_Ehdr
|
|
|
|
: @e_ident ( base index -- byte )
|
|
swap >Elf32_Ehdr.e_ident + c@
|
|
;
|
|
|
|
: @e_type ( base -- type )
|
|
>Elf32_Ehdr.e_type w@
|
|
;
|
|
|
|
: @e_machine ( base -- type )
|
|
>Elf32_Ehdr.e_machine w@
|
|
;
|
|
|
|
: @e_entry ( base -- entry )
|
|
>Elf32_Ehdr.e_entry l@
|
|
;
|
|
|
|
: @e_phoff ( base -- poffset )
|
|
>Elf32_Ehdr.e_phoff l@
|
|
;
|
|
|
|
: @e_phnum ( base -- pnum )
|
|
>Elf32_Ehdr.e_phnum w@
|
|
;
|
|
|
|
: elf?
|
|
" load-base" evaluate
|
|
dup EI_MAG0 @e_ident
|
|
ELFMAG0 <> if drop false exit then
|
|
dup EI_MAG1 @e_ident
|
|
ELFMAG1 <> if drop false exit then
|
|
dup EI_MAG2 @e_ident
|
|
ELFMAG2 <> if drop false exit then
|
|
dup EI_MAG3 @e_ident
|
|
ELFMAG3 <> if drop false exit then
|
|
dup EI_CLASS @e_ident
|
|
[IFDEF] CONFIG_SPARC64
|
|
ELFCLASS64 <> if drop false exit then
|
|
[ELSE]
|
|
ELFCLASS32 <> if drop false exit then
|
|
[THEN]
|
|
dup EI_DATA @e_ident
|
|
" little-endian?" evaluate if
|
|
ELFDATA2LSB <> if drop false exit then
|
|
else
|
|
ELFDATA2MSB <> if drop false exit then
|
|
then
|
|
dup @e_type
|
|
ET_EXEC <> if drop false exit then ( not executable )
|
|
@e_machine
|
|
[IFDEF] CONFIG_PPC
|
|
EM_PPC <> if false exit then
|
|
[THEN]
|
|
[IFDEF] CONFIG_X86
|
|
dup
|
|
EM_386 <> if
|
|
EM_486 <> if
|
|
false exit
|
|
then
|
|
else
|
|
drop
|
|
then
|
|
[THEN]
|
|
[IFDEF] CONFIG_SPARC32
|
|
dup
|
|
EM_SPARC <> if
|
|
EM_SPARC32PLUS <> if
|
|
false exit
|
|
then
|
|
else
|
|
drop
|
|
then
|
|
[THEN]
|
|
[IFDEF] CONFIG_SPARC64
|
|
EM_SPARCV9 <> if false exit then
|
|
[THEN]
|
|
true
|
|
;
|
|
|
|
variable elf-entry
|
|
variable xcoff-entry
|
|
variable bootinfo-entry
|
|
variable bootinfo-size
|
|
|
|
: init-program-elf
|
|
elf file-type !
|
|
" /packages/elf-loader" open-dev dup if
|
|
dup
|
|
" init-program" rot $call-method
|
|
close-dev
|
|
else
|
|
drop
|
|
." /packages/elf-loader is missing" cr
|
|
then
|
|
;
|
|
|
|
: xcoff?
|
|
" load-base" evaluate w@
|
|
h# 1df <> if
|
|
false
|
|
exit
|
|
then
|
|
true
|
|
;
|
|
|
|
: init-program-xcoff
|
|
xcoff file-type !
|
|
" /packages/xcoff-loader" open-dev dup if
|
|
dup
|
|
" init-program" rot $call-method
|
|
close-dev
|
|
else
|
|
drop
|
|
." /packages/xcoff-loader is missing" cr
|
|
then
|
|
;
|
|
|
|
: pe?
|
|
false
|
|
;
|
|
|
|
: init-program-pe
|
|
pe file-type !
|
|
" /packages/pe-loader" open-dev dup if
|
|
dup
|
|
" init-program" rot $call-method
|
|
close-dev
|
|
else
|
|
drop
|
|
." /packages/pe-loader is missing" cr
|
|
then
|
|
;
|
|
|
|
: bootinfo?
|
|
" load-base" evaluate dup
|
|
" <CHRP-BOOT>" comp 0= if
|
|
drop
|
|
true
|
|
exit
|
|
then
|
|
" <chrp-boot>" comp 0= if
|
|
true
|
|
exit
|
|
then
|
|
false
|
|
;
|
|
|
|
: init-program-bootinfo
|
|
bootinfo file-type !
|
|
" /packages/bootinfo-loader" open-dev dup if
|
|
dup
|
|
" init-program" rot $call-method
|
|
close-dev
|
|
else
|
|
drop
|
|
." /packages/bootinfo-loader is missing" cr
|
|
then
|
|
;
|
|
|
|
: init-program ( -- )
|
|
elf? if
|
|
init-program-elf
|
|
exit
|
|
then
|
|
xcoff? if
|
|
init-program-xcoff
|
|
exit
|
|
then
|
|
pe? if
|
|
init-program-pe
|
|
exit
|
|
then
|
|
bootinfo? if
|
|
init-program-bootinfo
|
|
exit
|
|
then
|
|
;
|
|
|
|
: (encode-bootpath) ( "{params}<cr>" -- bootpath-str bootpath-len)
|
|
bl parse 2dup encode-string
|
|
" /chosen" (find-dev) if
|
|
" bootpath" rot (property)
|
|
then
|
|
linefeed parse encode-string
|
|
" /chosen" (find-dev) if
|
|
" bootargs" rot (property)
|
|
then
|
|
;
|
|
|
|
: load ( "{params}<cr>" -- )
|
|
(encode-bootpath)
|
|
open-dev ( ihandle )
|
|
dup 0= if
|
|
drop
|
|
exit
|
|
then
|
|
dup >r
|
|
" load-base" evaluate swap ( load-base ihandle )
|
|
dup ihandle>phandle " load" rot find-method ( xt 0|1 )
|
|
if swap call-package !load-size else cr ." Cannot find load for this package" 2drop then
|
|
r> close-dev
|
|
init-program
|
|
;
|
|
|
|
: go ( -- )
|
|
state-valid @ not if exit then
|
|
elf file-type @ = if
|
|
[IFDEF] CONFIG_PPC
|
|
elf-entry @ " (go)" evaluate
|
|
[ELSE]
|
|
." go is not yet implemented"
|
|
[THEN]
|
|
else
|
|
xcoff file-type @ = if
|
|
[IFDEF] CONFIG_PPC
|
|
xcoff-entry @ " (go)" evaluate
|
|
[ELSE]
|
|
." go is not yet implemented"
|
|
[THEN]
|
|
else
|
|
bootinfo file-type @ = if
|
|
[IFDEF] CONFIG_PPC
|
|
bootinfo-entry @ bootinfo-size @ evaluate
|
|
[ELSE]
|
|
." go is not yet implemented"
|
|
[THEN]
|
|
else
|
|
." go is not yet implemented"
|
|
then
|
|
then
|
|
then
|
|
;
|
|
|
|
|
|
\ 7.6.3 Abort and resume
|
|
|
|
\ already defined !?
|
|
\ : go ( -- )
|
|
\ ;
|
|
|
|
|
|
\ 7.6.4 Disassembler
|
|
|
|
: dis ( addr -- )
|
|
;
|
|
|
|
: +dis ( -- )
|
|
;
|
|
|
|
\ 7.6.5 Breakpoints
|
|
: .bp ( -- )
|
|
;
|
|
|
|
: +bp ( addr -- )
|
|
;
|
|
|
|
: -bp ( addr -- )
|
|
;
|
|
|
|
: --bp ( -- )
|
|
;
|
|
|
|
: bpoff ( -- )
|
|
;
|
|
|
|
: step ( -- )
|
|
;
|
|
|
|
: steps ( n -- )
|
|
;
|
|
|
|
: hop ( -- )
|
|
;
|
|
|
|
: hops ( n -- )
|
|
;
|
|
|
|
\ already defined
|
|
\ : go ( -- )
|
|
\ ;
|
|
|
|
: gos ( n -- )
|
|
;
|
|
|
|
: till ( addr -- )
|
|
;
|
|
|
|
: return ( -- )
|
|
;
|
|
|
|
: .breakpoint ( -- )
|
|
;
|
|
|
|
: .step ( -- )
|
|
;
|
|
|
|
: .instruction ( -- )
|
|
;
|
|
|
|
|
|
\ 7.6.6 Symbolic debugging
|
|
: .adr ( addr -- )
|
|
;
|
|
|
|
: sym ( "name< >" -- n )
|
|
;
|
|
|
|
: sym>value ( addr len -- addr len false | n true )
|
|
;
|
|
|
|
: value>sym ( n1 -- n1 false | n2 addr len true )
|
|
;
|